Sales Engineer I - Poland & CEE

Warsaw💼 Full-time🗓 2026-09-25

Core

Pre-sales technical role supporting sales teams in Poland & CEE with solutioning, demos, and technical presentations for mid-to-upmarket customers.

Role type

Sales Engineer I

Builds

Custom technical demos, solution pitches, and scalable API integration architectures for payment solutions.

Domain

Fintech / Payments / SaaS

Deliverable

product features

Required skills

API and REST API knowledge, hands-on Postman usage, technical solutioning, custom integration architecture, stakeholder management, English fluency, Polish fluency

Preferred skills

Engineering background (mechanical/software), SaaS/e-commerce/fintech experience, external customer interaction experience

Technologies

Postman, AI tools

Responsibilities

Conduct deep technical discovery for complex customer cases, build custom technical demos and solution pitches, design scalable solutions architecture for custom API integrations, collaborate with CSM for upsell initiatives, deliver knowledge-sharing sessions, manage structured handovers to post-sales teams

Seniority

Individual Contributor, 2-3 years experience

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About Mollie

Financial Services1168Amsterdam, North Holland, NLFounded 2004

Mollie offers a single platform for businesses to get paid and manage their money. One that makes payments, reconciliation, reporting, fraud prevention, and financing simple for all – from startups to enterprises. Founded in 2004, Mollie’s mission is to make payments and money management effortless for every business in Europe. Our 850-strong team works from offices across the continent, including Amsterdam, Ghent, Lisbon, London, Maastricht, Milan, Munich, Berlin, Kiel and Paris. Today, more than 250,000 businesses use Mollie to drive revenue, reduce costs, and manage funds.